Source : Webster's Revised Unabridged Dictionary (1913)

Stockman \Stock"man\, n.; pl. {Stockmen}.
   A herdsman; a ranchman; one owning, or having charge of,
   herds of live stock. [Australia & U.S.] --W. Howitt.

Source : WordNet®

stockman
     n : farmer who breed or raises livestock [syn: {stock raiser}, {stock
         farmer}]